https://utmstack.com/
UTMStack | Open Source SIEM, SOAR and Compliance Solution – UTMStack is an open-source Security...
OSS SIEM + XDR Powered by Threat intelligence and real time correlation. Built for 24x7 Security Operations with Automated Threat Detection and Response
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https://www.certauri.com/explore-the-best-open-source-siem-tools-for-cybersecurity/
Explore The Best Open-Source SIEM Tools for Cybersecurity
Dec 11, 2023 - Discover the most effective open-source SIEM tools in our comprehensive guide. Enhance your cybersecurity protocols today.
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https://www.aegister.com/en/cms/insights/wazuh-open-source-siem-nis-2-compliance/
Wazuh: Open-Source SIEM for NIS 2 Compliance
Apr 29, 2026 - Wazuh explained for NIS 2 programs: architecture, compliance use cases, limits, TCO, and when a managed service is safer than a DIY SIEM.
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https://wazuh.com/
Wazuh - Open Source XDR. Open Source SIEM.
Sep 19, 2025 - Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.
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